package com.jdls.service;

import com.jdls.pojo.Book;

import java.util.List;

/**
 * @author 嘉德罗斯
 * @date 2021/9/16
 */
public interface BookService {
    public boolean add(Book book);
    public boolean update(Book book);
    public boolean delete(int id);
    public Book findById(int id);
    public List<Book> FindAll();
}
